Huawei ME909u-521 - Page 89

HUAWEI ME909u-521 LTE LGA Module
Hardware Guide
Appendix B Acronyms and
Abbreviations
Issue 05 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
89
Acronym or Abbreviation
Expansion
ESD
Electrostatic Discharge
EU
European Union
FCC
Federal Communications Commission
GMSK
Gaussian Minimum Shift Keying
GPIO
General-purpose I/O
GPRS
General Packet Radio Service
GPS
Global Positioning System
GSM
Global System for Mobile Communication
HBM
Human Body Model
HSDPA
High-Speed Downlink Packet Access
HSPA
Enhanced High Speed Packet Access
HSUPA
High Speed Up-link Packet Access
ISO
International Standards Organization
JTAG
Joint Test Action Group
LCP
Liquid Crystal Polyester
LDO
Low-Dropout
LED
Light-Emitting Diode
LGA
Land Grid Array
MCP
Multi-chip Package
MDM
Mobile Data Modem
MO
Mobile Originated
MT
Mobile Terminated
NC
Not Connected
NTC
Negative Temperature Coefficient
NSMD
Non-solder Mask Defined
PA
Power Amplifier
PBCCH
Packet Broadcast Control Channel
PCB
Printed Circuit Board
PID
Product Identity
PMU
Power Management Unit
PS
Packet Switched